president obama got 50% of the vote to romney's 49.1%. the president won about 74,000 votes e now has victories in eight of the nine swing states, losing only north carolina. >>> the sudden resignation of david petraeus as head of the cia is still sending shockwaves through washington. he takes the blame for his own downfall. we have the response from washington. >> after nearly four decades in international affairs. it was an extramarital affair that brought david petraeus' distinguished career to a joltingen. to a statement to cia employees, he acknowledged it, confessing his extremely poor judgment. such behavior is unacceptable, he said, both as the husband and as a leader of an organization such as hours. >> if they found out about an extramarital affair, they could use it as blackmail against you. >> he has been married to his wife holly for 38 years. they have two children. they met as he was a cadet and she stood by him as he raced on the ranks up to four-star general. last year he resigned his commission and was sworn in as cia d